EP0291897B1 - Zwei- oder mehrlagiges Papiererzeugnis - Google Patents

Zwei- oder mehrlagiges Papiererzeugnis Download PDF

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Publication number
EP0291897B1
EP0291897B1 EP88107789A EP88107789A EP0291897B1 EP 0291897 B1 EP0291897 B1 EP 0291897B1 EP 88107789 A EP88107789 A EP 88107789A EP 88107789 A EP88107789 A EP 88107789A EP 0291897 B1 EP0291897 B1 EP 0291897B1
Authority
EP
European Patent Office
Prior art keywords
paper
layers
closure region
article according
paper article
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP88107789A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0291897A2 (de
EP0291897A3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DRESCHER DRUCK UND MARKETING GMBH
Original Assignee
Drescher Geschaftsdrucke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Drescher Geschaftsdrucke GmbH filed Critical Drescher Geschaftsdrucke GmbH
Priority to AT88107789T priority Critical patent/ATE71885T1/de
Publication of EP0291897A2 publication Critical patent/EP0291897A2/de
Publication of EP0291897A3 publication Critical patent/EP0291897A3/de
Application granted granted Critical
Publication of EP0291897B1 publication Critical patent/EP0291897B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a sinusoidal wave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/04—Foldable or multi-part cards or sheets
    • B42D15/08—Letter-cards or letter-sheets, i.e. cards or sheets each of which is to be folded with the message inside and to serve as its own envelope for mailing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/306—Applying a mark during joining
    • B29C66/3062—Applying a mark during joining in the form of letters or numbers
    • B29C66/30621—Applying a mark during joining in the form of letters or numbers in the form of letters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/306—Applying a mark during joining
    • B29C66/3062—Applying a mark during joining in the form of letters or numbers
    • B29C66/30623—Applying a mark during joining in the form of letters or numbers in the form of numbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types

Definitions

  • the invention relates to a two-layer or multi-layer paper product provided with a thermoplasticizable coating, in particular a single-sheet letter, leaflet, form or the like labeled on the inner coating side, which is closed on at least one closing area provided, for example, on the sheet edge.
  • Paper products of this type are known from DE-C 35 08 114. They are provided with a hot melt adhesive, which can be applied as a thermoplastic coating evenly and finely distributed over the entire surface of the paper sheet or on certain adhesive zones.
  • the paper can be labeled on the coated side by hand or by machine.
  • the layers of paper for example a folded one-sheet letter, can be connected at the closing area, preferably at the edge of the sheet, using temperature and light pressure.
  • the connection of the paper layers in the closing area is inadequate, since the layers of the paper are essentially held together only by gluing the thermoplastic coating.
  • Such a connection can be opened with careful and skillful manipulation and closed again after having read the inscription on the inside, without such unauthorized opening and closing subsequently being noticed or proven, so that protection of the data on the coated inside of the paper is not guaranteed is.
  • the object of the invention is to further develop a paper product with the features of the preamble of claim 1 in such a way that a secure closure of the paper layers is achieved, which allows an unauthorized attempt to open it to be clearly identified subsequently.
  • the paper product 1 according to the invention shown in the drawing is preferably designed as a so-called one-sheet letter, which can be rectangular and folded in the middle, so that an upper paper layer 2 and a lower paper layer 3 lie flat on one another, on one long side of the paper folding edge 4 are limited.
  • the other three side edges 5, 6, 7 of the double-layer single-sheet letter 1 have a strip-shaped closing area 8, which can preferably be about 2 to 10 mm wide.
  • the paper layers 2, 3 have on the mutually facing inner surfaces a thermoplastic coating 9, which can preferably consist of a hot melt adhesive.
  • the coating 9 can expediently be applied uniformly and finely distributed over the entire inner surface of the paper layers 2, 3.
  • the coated inner surface of the paper layers 2, 3 can be done mechanically or by hand applied data are in the form of a label, drawing or the like.
  • the closing area 8 of the one-sheet letter 1 has been closed by means of a preferably fully automated machine operation by means of heat and pressure, by first activating the thermoplastic coating 9 by applying heat and then immediately pressing the paper layers 2, 3 firmly at defined points in such a way that an embossing 10 there, the fibers of the two paper layers 2, 3 offset from one another and in engagement with one another in such a way that they form a braided structure 11 which represents a form-fitting paper layer composite and inevitably tears when it is separated.
  • the impressions of the embossing 10 can be embodied in a simple embodiment on a single side or outer surface in the closing area 8 of the one-sheet letter 1. In a preferred embodiment, however, it can be favorable to mutually form the impressions of the embossing 10 in the closing area 8 on both opposite sides or outer surfaces of the paper layers 2, 3, as a result of which a particularly reliable paper fiber braid dressing 11 is achieved. For this purpose, it may be expedient to design the embossing 10 of the paper layers 2, 3 in such a way that binding points 12 which intersect or are approximately cruciform are formed in the closing region 8.
  • predetermined tearing incisions 13 can be formed in the closing area 8 of the single-sheet letter 1, which are preferably located in the area of the embossing 10 and at the same time are formed by small cutting knives arranged on the embossing wheel during the manufacture of the embossing closure. Due to the predetermined tear incisions 13, the paper fiber braid 11 is interrupted at predetermined points, making an attempt to open the single-sheet letter 1 without authorization even more difficult, since the connected paper layers immediately attempt to tear open the predetermined tear incisions 13 in the closing area 8 even in the case of extremely careful opening manipulations tear off and be damaged so that, as shown in FIG. 3 frayed side edges 5 ', 6', 7 'arise.
  • the single-sheet letter 1 can also have an edge zone perforation 14, which is formed next to the paper fiber braid 11 and limits the width of the closing area 8.
  • edge zone perforation 14 is formed next to the paper fiber braid 11 and limits the width of the closing area 8.
  • the closing area in the case of a two-layer or multilayer paper product provided with a plasticizable coating, in particular a one-sheet letter, leaflet, form or the like can also be easily closed by the closing area instead of using temperature only by ultrasound, possibly in conjunction with pressure is closed. Accordingly, regardless of the formation of an at least two-layer paper product provided with a thermoplastic coating, the closing area can be produced in a very simple manner and without this paper product needing to be heated as a whole, and furthermore with simple mechanical devices only by using ultrasound, preferably in combination be securely closed with pressure.
  • the sheets of a paper product to be connected to one another are preferably exposed in the sealing area in a simple manner to only an ultrasound source and a corresponding closing pressure, which can be so great that the desired deformation of the fibers of the paper product described occurs in the flow area.
  • the individual sheets of paper no longer need to be heated, which avoids the disadvantages associated with the heating and, depending on the paper quality, such as warpage of the sheets, partial change in sheet moisture. If the closing area is closed by applying pressure and under ultrasound, the paper treated in this way maintains its flatness, which in turn causes the subsequent ones Operations, for example when collating the individual interconnected paper products can be simplified.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Cartons (AREA)
  • Decoration Of Textiles (AREA)
  • Sanitary Thin Papers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Materials For Medical Uses (AREA)
  • Laminated Bodies (AREA)
EP88107789A 1987-05-19 1988-05-14 Zwei- oder mehrlagiges Papiererzeugnis Expired - Lifetime EP0291897B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107789T ATE71885T1 (de) 1987-05-19 1988-05-14 Zwei- oder mehrlagiges papiererzeugnis.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3716716 1987-05-19
DE3716716 1987-05-19
DE3815267A DE3815267A1 (de) 1987-05-19 1988-05-05 Zwei- oder mehrlagiges papiererzeugnis
DE3815267 1988-05-05

Publications (3)

Publication Number Publication Date
EP0291897A2 EP0291897A2 (de) 1988-11-23
EP0291897A3 EP0291897A3 (en) 1989-03-29
EP0291897B1 true EP0291897B1 (de) 1992-01-22

Family

ID=25855752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107789A Expired - Lifetime EP0291897B1 (de) 1987-05-19 1988-05-14 Zwei- oder mehrlagiges Papiererzeugnis

Country Status (5)

Country Link
EP (1) EP0291897B1 (enExample)
AT (1) ATE71885T1 (enExample)
DE (2) DE3815267A1 (enExample)
ES (1) ES2028172T3 (enExample)
GR (1) GR3003837T3 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486436A (en) * 1993-10-15 1996-01-23 The Standard Register Company Sealable web or sheet product
ZA958141B (en) 1994-11-23 1996-04-25 Standard Register Co Thermal seal product and process
GB9810941D0 (en) * 1998-05-22 1998-07-22 Hardy Philip M Pressure sealed forms
DE102008032563A1 (de) 2008-07-11 2010-01-21 Bundesdruckerei Gmbh Verbundkörper für ein Wert- und/oder Sicherheitsdokument mit einem beschriftbaren Papierfeld sowie Verfahren und Vorrichtung zur Herstellung eines solchen Verbundkörpers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE92355C (enExample) *
CH150628A (de) * 1930-12-15 1931-11-15 Clare Hermann Briefumschlag.
GB442972A (en) * 1935-02-02 1936-02-19 Max Vogel Improvements in and relating to envelopes
CH333188A (fr) * 1956-02-07 1958-10-15 Beltrand Joseph Enveloppe
US4566627A (en) * 1983-09-27 1986-01-28 Westvaco Corporation Tamper detection envelope
DE3508114C1 (de) * 1985-03-07 1986-05-22 O. T. Drescher GmbH, 7255 Rutesheim Verfahren zum Verkleben von Erzeugnissen aus Papier,Folien usw.,insbesondere von Beschriftungsblaettern

Also Published As

Publication number Publication date
DE3815267A1 (de) 1989-01-05
EP0291897A2 (de) 1988-11-23
ES2028172T3 (es) 1992-07-01
DE3867904D1 (de) 1992-03-05
ATE71885T1 (de) 1992-02-15
GR3003837T3 (enExample) 1993-03-16
EP0291897A3 (en) 1989-03-29

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